I’ll give you a few to choose from:
-There were plenty of jobs (but low-paying) in America
-Gold Rush
-America had an open door policy (at least until the immigration act)
-Social mobility was possible (unlike restrictive social classes in England)
Answer:Political institutions works as structures of governments like executive departments. (for example: Supreme Court and FED; Federal Reserve Board) They can be housed in impressed buildings or not.
Explanation:
They are part of authority. Over time, people have become used to looking the them to solve problems.
This is not a question that makes sense but im guessing you want to know how they were transported and i would say via rivers